Conclusion The variation of the disc height,facet-joint angle and the lordosis angle of the intervertebral disc had a manifest influence on the isthmic stress and facet contact force.

• 结论:椎间盘高度、腰椎小关节角、椎间盘前凸角等形态结构变化对腰椎节段有限元模型的峡部、小关节应力及小关节接触力有明显的影响。